The supplied cleaner was diluted into two 600 ml beakers, both to 5% using DI water and heated to 130 F on a hot plate. One beaker was immersed into a Crest 40 kHz ultrasonic tank and degassed for 5 minutes. Six preweighed coupons were coated with the Fuch's Renocut 127 and allowed to sit for 1 hour. At the end of the hour, the coupons were weighed again to determine the amount of contaminant added to the coupons. Three coupons were immersed in each beaker and cleaned for 5 minutes, then rinsed with DI water at 120 F for 30 seconds and finally dried using a Master Chemical Heat Gun at 500 F for 1 minute. The coupons were weighed again and efficiencies were calculated.
Trial Results:
The ultrasonic cleaning appeared to rinse better the immersion cleaned coupons. The results for each coupon are listed in the following table.
Table 1. Cleaning Efficiencies
Evercylce
Immersion
Ultrasonic
Coupon 1
97.79
99.99
Coupon 2
94.86
99.44
Coupon 3
96.15
99.87
Average
96.27
99.77
Std Dev
1.47
0.29
Both Immersion cleaning and the ultrasonic results were about the same as the results from the previous trials, as shown in the second table.
Table 2. Results from previous trials
Immersion
Ultrasonic
Brulin
98.88
99.12
Buckeye
93.91
97.15
Envirosolutoins
92.7
98.84
Gemtek
98.13
96.89
Innovative
97.3
99.62
Savogran
91.04
N/T
Today
97.9
99.9
Valtech
99.24
99.99
Texo
92.22
99.71
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The CAE Cleaning Technologies was as successful as the other products evaluated previously in the lab.
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